1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the XML::Sablotron::DOM module.
*
* The Initial Developer of the Original Code is Ginfer Alliance Ltd.
* Portions created by Ginger Alliance are
* Copyright (C) 1999-2000 Ginger Alliance Ltd..
* All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
/*
*
* ../Sablotron.xs includes this file
*
*/
/************************************************************/
/* globals */
/************************************************************/
/* classes moved to common.h */
char *__classNames[] = CLASSNAMES;
/************************************************************/
/* error handling */
/************************************************************/
/* errorNames moved to common.h */
char* __errorNames[] = ERRORNAMES;
/* check function return value */
#define DE(sit, status) if (status) \
croak("XML::Sablotron::DOM(Code=%d, Name=%s, Msg=%s)", \
status, __errorNames[status], \
SDOM_getExceptionMessage(sit))
/* check the validity of the node */
#define CN(node) if (! node) croak("XML::Sablotron::DOM(Code=-1, Name='INVALID_NODE_ERR')")
/************************************************************/
/* globals for document */
/************************************************************/
#define DOC_HANDLE(doc) (SDOM_Document)SvIV(*hv_fetch((HV*)SvRV(doc), "_handle", 7, 0))
#define SIT_HANDLE(sit) (SablotSituation)SvIV(*hv_fetch((HV*)SvRV(sit), "_handle", 7, 0))
#define SIT_PARAM(cnt) ((items >= cnt) ? ST(cnt - 1) : &PL_sv_undef)
#define SIT_SMART(sit) (SvOK(sit) ? SIT_HANDLE(sit) : __sit)
bool __useUniqueDOMWrappers( void )
{
SV* flag = get_sv( "XML::Sablotron::DOM::useUniqueWrappers", FALSE );
return flag && SvTRUE(flag);
}
static SV* __createNodeOld(SablotSituation situa, SDOM_Node handle)
{
HV* hash;
SV* retval;
SDOM_NodeType type;
/* check and/or create inner SV* - used for validity checks*/
SV* inner = (SV*)SDOM_getNodeInstanceData(handle);
if (!inner) {
/* printf("+++> creating new inner\n"); */
inner = newSViv((IV)handle);
/* store inner SV to node */
SDOM_setNodeInstanceData(handle, inner);
} else {
/* printf("---> reusing the inner %d\n", SvIV(inner)); */
}
/* create new hash and store the handle into it */
hash = newHV();
hv_store(hash, "_handle", 7, SvREFCNT_inc(inner), 0);
/* create blessed reference */
retval = newRV_noinc((SV*)hash);
DE( situa, SDOM_getNodeType(situa, handle, &type) );
sv_bless(retval, gv_stashpv(__classNames[type], 0));
return retval;
}
void __checkNodeInstanceData( SDOM_Node handle, HV * inner )
{
if ( ! inner ) {
croak("XML::Sablotron::DOM(Code=-1, Name='INVALID_NODE_ERR', Msg='InstanceData corrupted: NULL')");
} else if ( SvTYPE( (SV*)inner ) != SVt_PVHV ) {
croak("XML::Sablotron::DOM(Code=-1, Name='INVALID_NODE_ERR', Msg='InstanceData corrupted: not a HV')");
} else {
SV * ref = newRV_inc((SV*) inner);
if ( ! ( sv_isobject( ref ) && sv_derived_from( ref , "XML::Sablotron::DOM::Node" ) ) ) {
SvREFCNT_dec(ref);
croak("XML::Sablotron::DOM(Code=-1, Name='INVALID_NODE_ERR', Msg='InstanceData corrupted: not a XML::Sablotron::DOM::Node");
} else if ( NODE_HANDLE( ref ) != handle ) {
SvREFCNT_dec(ref);
croak("XML::Sablotron::DOM(Code=-1, Name='INVALID_NODE_ERR', Msg='InstanceData corrupted: points to wrong node");
}
SvREFCNT_dec(ref);
}
}
static SV* __createNodeNew(SablotSituation situa, SDOM_Node handle)
{
SV* retval;
HV * hash;
SDOM_NodeType type;
/* we create only one wrapper object and one ref for each handle */
/* is there already an wrapper ? */
hash = (HV*)SDOM_getNodeInstanceData(handle);
if ( hash ) {
/* validity test */
__checkNodeInstanceData( handle, hash );
/* hash handle is ok. Return a new reference to it. */
retval = newRV_inc((SV*)hash);
#if 0
fprintf(stderr,"DOM.h::__createNodeNew(%p): new rv %p reusing hv %p (%d)\n",
handle, retval, hash,(int)SvREFCNT((SV*)hash));
#endif
return retval;
}
/* create new hash and store the handle into it */
hash = newHV();
hv_store(hash, "_handle", 7, newSViv( (IV) handle ), 0);
SDOM_setNodeInstanceData(handle, hash);
/* create blessed reference */
retval = newRV_inc((SV*)hash);
DE( situa, SDOM_getNodeType(situa, handle, &type) );
retval = sv_bless(retval, gv_stashpv(__classNames[type], 0));
#if 0
fprintf(stderr,"DOM.h::__createNodeNew(%p): new rv %p hash %p (%d)\n",
handle, retval, hash,(int)SvREFCNT((SV*)hash) );
#endif
/* sv_dump( retval );
sv_dump( (SV*) hash ); */
return retval;
}
static SV* __createNode(SablotSituation situa, SDOM_Node handle)
{
if ( __useUniqueDOMWrappers() ) {
return __createNodeNew(situa, handle);
}
return __createNodeOld(situa, handle);
}
/************************************************************/
/* dispose calback */
/************************************************************/
static void __nodeDisposeCallbackOld(SDOM_Node node)
{
SV* pnode = (SV*)SDOM_getNodeInstanceData(node);
if ( pnode ) sv_setiv(pnode, 0);
}
static void __nodeDisposeCallbackNew(SDOM_Node node)
{
HV * inner = (HV*)SDOM_getNodeInstanceData( node );
if ( inner ) {
__checkNodeInstanceData( node , inner );
sv_setiv( *hv_fetch( inner, "_handle", 7, 0), 0 );
SvREFCNT_dec( inner );
}
}
void __nodeDisposeCallback(SDOM_Node node)
{
if ( __useUniqueDOMWrappers() )
__nodeDisposeCallbackNew(node);
else
__nodeDisposeCallbackOld(node);
}
/*************************************************************/
/* get implicit situation */
/*************************************************************/
SablotSituation __sit;
|
